This is very much like sports - very few make it to the top, and it's kind of subsidised by the ones coming up or just idly watching. Unlike actual sport, the disciplines here change rapidly, in spite of Blizzard's best efforts, World of Warcraft numbers are rapidly dwindling so a WoW start will pretty much have to start from scratch in another game or quit streaming as a career move. Game developers or even petty mi…
No one hires people to do deep learning with 0 years experience.
Very few people with the skills you assume by default (basically anyone with programming skills) would be convinced to leave their cooshy jobs, but plenty of people with no skills or prospects would.